20-letter words containing m, a, d, e, r
- radio interferometer — any of several different types of instrumentation designed to observe interference patterns of electromagnetic radiation at radio wavelengths: used in the discovery and measurement of radio sources in the atmosphere.
- random access memory — RAM.
- random-access memory — RAM.
- rapid transit system — a rail or other system providing rapid public transport
- raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
- recommended standard — (standard) (RS) A series of EIA standards including EIA-232.
- red-carpet treatment — deferential treatment accorded to a person of importance
- reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
- redundancy agreement — an agreement over the sum of money given by an employer to an employee who has been made redundant
- regional development — aid-giving to poorer areas or countries
- registered trademark — brand name
- reminder advertising — a type of advertising designed to remind customers that an existing or well-known product is still available and for sale
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- return from the dead — (jargon) To regain access to the net after a long absence. Compare person of no account.
- rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
- ride on shank's mare — to walk
- saint mary magdalene — a woman of Magdala (ˈmæɡdələ ) in Galilee whom Jesus cured of evil spirits (Luke 8:2) and who is often identified with the sinful woman of Luke 7:36–50. In Christian tradition she is usually taken to have been a prostitute. Feast day: July 22
- scream bloody murder — Law. the killing of another human being under conditions specifically covered in law. In the U.S., special statutory definitions include murder committed with malice aforethought, characterized by deliberation or premeditation or occurring during the commission of another serious crime, as robbery or arson (first-degree murder) and murder by intent but without deliberation or premeditation (second-degree murder)
- secure accommodation — an institution where young offenders are kept in custody
- serra da mantiqueira — a mountain range in SE Brazil, running parallel to the coast. Highest point, 9140 feet (2785 meters).
- shaken baby syndrome — a usually fatal condition of abused infants brought on by violent shaking by the arms or shoulders that causes severe internal bleeding, especially around the brain and in the eyes.
- sierra madre del sur — a plateau mountain range in Guerrero and Oaxaca states, S Mexico. Highest peak 12,149 feet (3703 meters).
- sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
- sodium meta-arsenite — sodium arsenite.
- software methodology — (programming) The study of how to navigate through each phase of the software process model (determining data, control, or uses hierarchies, partitioning functions, and allocating requirements) and how to represent phase products (structure charts, stimulus-response threads, and state transition diagrams).
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- st.-germain-des-pres — an area in Paris, on the Left Bank.
- standard book number — International Standard Book Number. Abbreviation: SBN.
- standstill agreement — law: between company and bidder
- telesales department — the department of a company that deals with telesales
- temperature gradient — rate of change of temperature with distance.
- terms and conditions — commerce: rules, restrictions
- the (great) pyramids — the three large pyramids at Gîza, Egypt: the largest is the Pyramid of Khufu
- the garment industry — the manufacturing of items of clothing
- the grove of academe — the academic world
- the hearing impaired — people whose hearing is partially defective
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
- thirteenth amendment — an amendment to the U.S. Constitution, ratified in 1865, abolishing slavery.
- thomas of erceldoune — Thomas of, Thomas of Erceldoune.
- three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
- to cost someone dear — If something that someone does costs them dear, they suffer a lot as a result of it.
- to do your damnedest — If you say that you will do your damnedest to achieve something, you mean that you will try as hard as you can to do it, even though you think that it will take a lot of effort.
- to make up your mind — If you make up your mind or make your mind up, you decide which of a number of possible things you will have or do.
- tom, dick, and jerry — a hot mixed drink containing rum, brandy, egg, nutmeg, and sometimes milk
- tradesman's entrance — the entrance to a large house used by tradesmen to deliver goods and services; usually at the side or rear of the house
- traditional marriage — Anthropology. the primary established form of marriage recognized in a given country or religious or social group at a given time: In that culture, traditional marriage requires the families of the future bride and groom to engage in ritual visits and exchange gifts.
- traditional medicine — systems of medicine developed before the era of modern medicine, based on cultural beliefs and practices handed down from generation to generation
- transmission density — a measure of the extent to which a substance transmits light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the transmittance
- tribromoacetaldehyde — bromal.